Subtraction with Regrouping

Front

What is subtraction with regrouping?

Back

Subtraction with regrouping is a method used to subtract numbers when the top digit is smaller than the bottom digit in any column, requiring you to borrow from the next column.

Front

How do you borrow in subtraction?

Back

To borrow, you take 1 from the next left column, decrease that digit by 1, and add 10 to the current column's digit.

Front

What is the result of 82 - 36?

Back

46

Front

What is the result of 35 - 26?

Back

9

Front

What is the result of 74 - 23?

Back

51

Front

What is the result of 64 - 25?

Back

39

Front

If there are 52 students and 16 are girls, how many boys are there?

Back

36

Front

What does the term 'regrouping' mean in subtraction?

Back

Regrouping means rearranging the numbers in a subtraction problem to make it easier to subtract, often involving borrowing.

Front

What is the first step in solving a subtraction problem with regrouping?

Back

Identify if you need to borrow from the next column.

Front

Why is it important to line up numbers by place value in subtraction?

Back

Lining up numbers by place value ensures that you subtract the correct digits from each other.